FDA Form 3514 - Duke University
Q SUBMISSION: PRE-SUBMISSION MEETING REQUESTTitle of Proposed TrialName of Sponsor Investigator, PhDProfessor, DepartmentDUKE UNIVERSITY MEDICAL CENTERDate of SubmissionFDA Form 3514Link to FDA Form 3514: Table of Contents TOC \o "1-3" \h \z \u 1.FDA Form 3514 PAGEREF _Toc448232523 \h 22.Table of Contents PAGEREF _Toc448232524 \h 33.Device Description PAGEREF _Toc448232525 \h 43.1Proposed Predicate Devices PAGEREF _Toc448232526 \h 44.Elements of Intended Use/Indications for Use PAGEREF _Toc448232527 \h 55.Description of How the Device is Planned to be Used in a Real-life Setting PAGEREF _Toc448232528 \h 66.Risk Anaylsis PAGEREF _Toc448232529 \h 77.Discussion of Relevant Prior Information PAGEREF _Toc448232530 \h 88.Proposed Study Design(s) PAGEREF _Toc448232531 \h 99.Specific Questions PAGEREF _Toc448232532 \h 1210.Method for Feedback PAGEREF _Toc448232533 \h 13Device DescriptionPlease provide sufficient information regarding the device description, including a detailed technical description of your device including instruments, reagents, components, software, principles of operation, and accessories (if there are changes to a previously cleared or approved device, then you should describe these changes)Additionally, the description may include:physical, chemical and/or biological processes/principles used by the device to generate device output, if applicable;physical and biological characteristics of the device output, if applicable;samples to demonstrate the use of the device (where feasible and appropriate);explanation of the user interface and/or how the device interacts with other devices or with the user (medical professional and/or patient);explanation of the materials used in the device;a brief explanation of how the device is manufactured (where necessary);discussion of the mechanism of action and how the device and/or, if applicable, device output is used;discussion of the scientific basis for development of the device or an explanation of expected clinical utility; andfor a device to be submitted in a 510(k), any anticipated predicate and a descriptive comparison of the device to the predicate device.Always make sure you use consistent terminology for each component of your device in your submission.Proposed Predicate DevicesThe 510(k) review process focuses on the comparison of a proposed device with a predicate device in terms of indications for use, technological characteristics, and, as appropriate, performance testing. As a result, you should provide a summary of the predicate device(s) you plan to use for your comparison of these characteristics, along with the indication(s) for use and technology of the device you would like to market (i.e., draft of your labeling). For each predicate device you identify, we suggest you provide: the predicate device trade name, including model, if available; the 510(k) number under which the predicate device was cleared; the classification of the predicate device; and a comparison with the proposed device in terms of indications for use, technological characteristics, and performance testing. Proposed indication for useTechnology of the deviceElements of Intended Use/Indications for UseYou should provide a clear statement of the proposed intended use and indications for use. The intended use statement describes how and by whom the device is to be used and should include the following information:Measurand (analyte, biological activity, or some other quantity to be measured) or organism to be identified or detectedWhether the test is quantitative, semi-quantitative, and/or qualitativeSpecimen type(s) or matrix(-ces) (e.g., blood (include source, e.g., venipuncture, heel or finger stick; donor or patient), serum, plasma (include anti-coagulants), stool, hair, swab (include source, e.g., cervical, nasopharyngeal, throat), urine (include time collected), saliva, cerebrospinal fluid (CSF), sweat, tears, etc.) and any processing requiredConditions for use which describes the setting in which the test is to be performed and the intended user (e.g., prescription use (hospital laboratory, blood donor facility, point of care, physician’s office, home use, workplace) or over-the-counter)The indications for use describes for what and for whom the device is to be used (e.g., target condition, target population and purpose). The following are some examples of information included in the indications for use:Target condition: a particular disease, disease stage, health status, or any other identifiable condition or event within a patient, or a health condition that should prompt clinical actionTarget patient population , for example:Age (e.g., adult, pediatric, specific age limitations)Asymptomatic patients (e.g., screening)Symptomatic patients (e.g., diagnosis or prediction)Already diagnosed patients (e.g., monitoring or prognosis)Recipient of blood or tissue products (e.g., compatibility)Time and frequency of use (e.g., glucose testing for stability and rapid changes after meals)Purpose for measurement (e.g., clinical indication – how and why the clinician or the user will use the results of the test)Description of How the Device is Planned to be Used in a Real-life SettingFor novel clinical indications, you should provide a detailed description of how you see your device being used in a real-life setting. You might want to consider diagrams illustrating the clinical management of a hypothetical patient from the proposed target population, including information regarding at what point(s) your device will be used and how information from your device can be used by the user (e.g., physician). It is helpful if you provide a few examples of the use of your device for different patients (with different sets of covariates) from the target population.Risk AnaylsisFor devices with novel intended uses, you may include an analysis of the impact of false test results on patient management. This information will be useful to aid FDA in determining the appropriate classification of your device. You should present suggested approaches to mitigate the underlying risks as part of the risk analysis.Discussion of Relevant Prior InformationPlease provide an overview of the product development, including an outline of nonclinical and clinical testing already completed. If you intend to include complete copies of literature articles as part of this section, please try to include only those that are relevant to the questions you are asking. Additional articles can be provided in any subsequent marketing application or IDE.Please note that the review of a Pre-Sub will not include a review of bench or clinical data that you have already completed. Proposed Study Design(s)We recommend that you provide a detailed protocol of how you propose to evaluate the analytical and clinical performance characteristics of your device. You may provide descriptions of the studies proposed to support the intended use of your device. In preparation of this section, we recommend that you refer to relevant FDA documents and the standard guidelines, such as the Clinical Laboratory and Standards Institute (CLSI) documents for your device type, as applicable. Specimen Information: As part of your proposed study design you should indicate the types of specimens that you will recommend for testing. The following may be helpful if you wish to gain advice on specimen use in your studies: A description of the sample collection methods recommended and any specific sample collection devices; If you propose to utilize more than one sample type, a description of how you propose to evaluate your device performance for the different sample types in your analytical and clinical study designs; How you plan to assess sample stability, recommended storage conditions, and parameters to demonstrate the quality and integrity of the samples; How you will utilize fresh, frozen, or otherwise preserved samples in the clinical studies; and/or A description of sample manipulation or processing steps and accessories required for these purposes. Analytical Performance: You may submit protocols for analytical validation studies for which you desire FDA feedback. The studies that are necessary to validate the analytical performance of your device may vary depending on the device type (e.g., qualitative, semi-quantitative or quantitative). Many types of analytical performance studies are standardized and follow accepted standard documents such as CLSI documents. It is recommended that you base your studies on such standards, when applicable. The major analytical performance parameters for IVDs may include: accuracy; limit of detection; analytical cut-off of the device; precision (e.g., repeatability, reproducibility); matrix comparison; analytical specificity (cross reactivity and interference); reagent and sample stability studies; reference interval; limit of quantitation; traceability to standard materials; linearity; method comparison; and high dose hook effect. In any study protocols you propose, we recommend that you indicate for each study: (1) information about the samples used for evaluation and (2) the level of the analyte(s) being measured. You should ensure you clearly describe the proposed study design, the parameters that will be assessed, the acceptance criteria, and the proposed methods for data analysis. If standard guidelines will be followed, we recommend that you specify the guideline used.Method Comparison: For method comparison study proposals, you should include the proposed study design, comparator (predicate or reference method), and proposed analysis method. Method comparison studies usually compare the device performance to the predicate device. However, for certain device types, the predicate device may not be the appropriate comparator; in some cases, a reference method or clinical diagnosis may be a more appropriate comparator. If there is no predicate device for the device under evaluation, you should propose the appropriate comparator and study design, providing scientific justifications for the proposal(s). The method comparison proposal may include: study design, study population, method for sample size determination, study sample size, number of testing laboratory sites, criteria for sample type selection and justification, method of sample collection and processing, indication of the number of measurements recorded per individual (as applicable), description of comparator or predicate device, detailed testing protocols, and data analysis protocols (e.g., agreement, regression, and how discrepant or equivocal results will be handled in the analysis). You may wish to include any concerns that you have regarding the selection of the predicate or reference method. If you have identified a predicate device, you may also wish to discuss any potential differences from the predicate that may affect the assessment of your device performance.Clinical Performance: Many IVDs require clinical studies to establish effectiveness. Clinical studies should not be confused with analytical studies that use clinical specimens (i.e., a study that evaluates test measurement parameters compared to those of another method or device). A clinical study is an evaluation of clinical performance, in which patients are enrolled or specimens are collected in accordance with pre-defined inclusion/exclusion criteria. Clinical performance is often stratified by demographic variables (e.g., age, sex). Performance is generally based on a comparison between the device result and clinical presentation or other marker of disease. In some situations other types of clinical performance evaluation may be considered. You may submit protocols for clinical performance studies for which you desire FDA feedback. In this section, you should describe studies designed to support your proposed indication(s) for use. Clinical studies often include evaluating parameters such as clinical sensitivity and specificity, positive and negative predictive values, and clinical cut-offs. Other parameters may be addressed as needed.Clinical Study Design Elements: You should consider including the following in your study design proposal: Target condition - brief description of the target condition (diagnosis, stage of illness, signs/symptoms, success of treatment, etc.). Indicate how (criteria, laboratory tests, physical examination) and by whom (i.e., specialist, generalist) the target condition will be determined. Include demographic information and the prevalence of the target condition. Intended use population - description of inclusion/exclusion criteria, and how the clinical study population(s) reflect the intended use population(s). Matrix type - listing of the sample matrices to be tested in the clinical study. Sample matrices should be consistent with those claimed in the intended use. Sample selection - description of sample types used in the study (e.g., fresh, stabilized, prospective, archived, retrospective, etc.). Describe how samples are selected for inclusion in the studies, how they will be stored, and how their integrity and analyte stability will be assessed. If archived samples are used, consider the potential for bias and describe how it will be addressed. Study sites - if known, list potential study sites, and their geographical locations. FDA recommends at least three study sites for your clinical studies. Generally, the device should be evaluated at sites representative of those in which the device ultimately will be used. Literature - in some cases, you may be able to use published, peer-reviewed literature to support clinical claims. If you are proposing to use literature to support clinical claims, you should clearly outline your reasons for doing so, and be prepared to discuss your proposal with FDA. Statistical Analysis Plan for Clinical Performance Study: You should consider including the following, as appropriate: Proposed clinical study plan. Explanation of sample size that provides a sound statistical basis for the determination of sample size (N). Proposed plan for how you will analyze data (e.g., identify independent and dependent variables, provide interpretation criteria and your definition of positive, negative, or equivocal results). Description of how you determine and validate the cut-off or reference range. Description of expected results (define or explain calculations; determine equivocal zones and describe if and how discrepant results will be resolved). Expected rate of clinical false positives and false negatives, if known. Description of the success criteria you will use to determine if your device performs acceptably.Specific QuestionsThe Pre-Sub should include specific questions regarding review issues relevant to a planned IDE, or marketing application (e.g., questions regarding pre-clinical and clinical testing protocols or data requirements). Examples of questions that may be appropriate for an IDE Pre-Sub:Are the nonclinical study protocols (bench or animal) sufficient to allow for the collection of data from which conclusions about device safety to support initiation of a clinical study can be drawn? Are the primary and/or secondary endpoints appropriate for the proposed indication for use? Are the proposed trial design and selected control group appropriate? Are the proposed sample size calculation method and related elements of the statistical analysis plan appropriate for the proposed clinical study? Do you have any concerns about whether the proposed follow-up period is adequate for the proposed clinical study? Examples of questions that may be appropriate to consider in a 510(k) Pre-Sub are given below according to topic. Biocompatibility In addition to the biocompatibility testing recommended for the type and duration of tissue contact defined by FDA’s G95-1 Bluebook Guidance and ISO 10993-1, what other device-specific biocompatibility testing may be necessary to adequately evaluate the biocompatibility of my device? Is our justification for not conducting carcinogenicity studies adequate? Bench and Animal Testing Does FDA concur it is appropriate to test only the smallest and largest sizes of my device in comparison to a predicate device when I plan to market at least ten (10) different sizes that differ in dimensions? Does FDA concur with our worst-case rationale for this device? Does the FDA concur with the use of the proposed alternative test method, which is different than the normally recognized standard? Is the animal model I propose appropriate for testing my device? Software Is a “moderate level of concern” the appropriate level of concern for my software? Human Factors Evaluation Is my planned approach to human factors assessment appropriate for the intended use of my device? Clinical Evaluation Is it advisable to conduct a clinical evaluation of my device or is the battery of bench and animal testing I propose likely to be adequate? (In some cases, FDA may not be able to assess whether bench and animal data are sufficient in lieu of clinical data until the agency has been able to complete a review of the nonclinical testing.) If clinical data are needed for my device, are the proposed trial design and selected control group appropriate or is the protocol from a previously conducted study appropriate? Predicate Device Are there concerns with the predicate device proposed? Method for FeedbackWe request feedback by teleconference (or an in-person meeting or by email.. Dates that would work well for our team include:Week of Month XY, 200X; Week of Month XY, 200X; excluding this and that date.Also include the planned attendees, including each attendee’s position, or title, and affiliation. If you have not yet identified all of your attendees, you should indicate the type of subject matter experts you plan to invite so that we can ensure appropriate FDA experts are in attendance. If requesting an in-person meeting, include a list of any audiovisual equipment you will need, such as conference phone or LCD projector.You should propose the duration of the meeting you are requesting, one (1) hour is adequate for most meetings.Important Notes:In addition to one paper copy, you must also submit an eCopy (section 745(A)(b) of the FD&C Act). For information about how to comply with the eCopy program, please see FDA guidance “eCopy Program for Medical Device Submissions” (). Q-Subs for products regulated by the Center for Devices and Radiologic Health (CDRH) should be sent to: U.S. Food and Drug Administration Center for Devices and Radiological Health Document Control Center – WO66-G609 10903 New Hampshire Avenue Silver Spring, MD 20993-0002 Q-Subs for products regulated by the Center for Biologics Evaluation and Research (CBER) should be sent to:U.S. Food and Drug AdministrationCenter for Biologics Evaluation and Research Document Control Center– WO71-G11210903 New Hampshire AvenueSilver Spring, MD 20993-0002 ................
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